Philippines (Republic). (1964). Republic act no. 4071: An act creating the Mountain Province Development Authority. s.n.
Chicago-viite (17. p.)Philippines (Republic). Republic Act No. 4071: An Act Creating the Mountain Province Development Authority. [Manila: s.n, 1964.
MLA-viite (9. p.)Philippines (Republic). Republic Act No. 4071: An Act Creating the Mountain Province Development Authority. s.n, 1964.
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